What is the Dell N3224T-ON?
The Dell N3224T-ON is a QSFP optical transceiver module, listed by the manufacturer as "1U, 24 ports 1G BASE-T RJ45, four ports 10G SFP+, two 100G QSFP28 ports for stacking, two pluggable AC or (optional) DC PSUs, three pluggable fan modules, and normal and reverse airflow options". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.